#4088D0#4088D0

#4088D0 is a mid, vivid cyan. Relative luminance 0.233; OKLCH L 61.4% C 0.131 H 250.8°. Best body text is #000000 at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#4088D0
RGB	rgb(64, 136, 208)
HSL	hsl(210, 61%, 53%)
HSV	hsv(210, 69%, 82%)
CMYK	cmyk(69.2%, 34.6%, 0%, 18.4%)
CIE-LAB	lab(55.33, 0.93, -43.65)
CIE-LCH	lch(55.33, 43.66, 271.22°)
OKLab	oklab(61.43% -0.0431 -0.1239)
OKLCH	oklch(61.43% 0.131 250.8)
XYZ	xyz(22.2994, 23.2500, 62.9748)
Luminance	0.2325 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4088D0 #D08840

analogous

#40D0D0 #4088D0 #4040D0

triadic

#4088D0 #D04088 #88D040

tetradic

#4088D0 #D040D0 #D08840 #40D040

square

#4088D0 #D040D0 #D08840 #40D040

split-complementary

#4088D0 #D04040 #D0D040

monochromatic

#1E4B78 #2A69A9 #4088D0 #71A7DC #A2C5E8

Accessibility & contrast

On white

3.72

#4088D0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.65

#4088D0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4088D0

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4088D0	#FFFFFF	#000000	##000000
##4088D0	1.00	3.72	5.65	5.65
#FFFFFF	3.72	1.00	21.00	21.00
#000000	5.65	21.00	1.00	1.00
##000000	5.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#688CD3

Deuteranopia (green-blind)

#537ECF

Tritanopia (blue-blind)

#0099A2

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #4088d0;
/* rgb */ color: rgb(64, 136, 208);
/* oklch */ color: oklch(61.4% 0.131 250.8);

Tailwind

colors: {
  custom: {
    50: '#85aadf',
    500: '#4088d0',
    950: '#000000',
  },
}

SCSS

$custom: #4088d0;
$custom-light: #85aadf;
$custom-dark: #000000;

JSON

{
  "hex": "#4088d0",
  "rgb": {
    "r": 64,
    "g": 136,
    "b": 208
  },
  "hsl": {
    "h": 210,
    "s": 60.504,
    "l": 53.333
  },
  "oklch": {
    "l": 0.61428,
    "c": 0.13121,
    "h": 250.8
  },
  "luminance": 0.23252
}

Semantic roles & 50–950 ramp

primary

#4088D0

secondary

#D5B697

accent

#9444E4

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #4088D0

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →